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Old 05-10-2019, 12:23 AM   #1
Question Create Slingshot plan while inside SOI?

I'm performing a Grand Tour a-la Voyager 2, and while encountering Saturn (99% SOI), I saved and shut the computer down. After re-opening Orbiter, my TransX plan was gone (slingshot past Saturn to Uranus and then Neptune). I was able to recreate slingshots past Uranus and Neptune, but it won't let me create for Saturn as I'm deep in its SOI. Is there another way to get into "Slingshot" plan other than planning it before entering a planet's SOI?

It appears my only option at this point is an "Escape" plan from Saturn, but it doesn't work the same as Slingshot, obviously.
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Old 05-11-2019, 04:30 PM   #2
Addon Developer

I'm not sure about saving your existing TransX plan beyond Saturn, you may need to start TransX from scratch. If you post your scenario (inbound to Saturn) I could have a look.

Starting from scratch - assuming your vessel is on a hyperbolic (slingshot) trajectory past a planet, but already within it's SOI.
Using default Orbiter2016 TransX

Bring up TransX Stage1
Scroll through the variables [VAR] and set them in this order:
Select Target Planets/Moons = Escape
Autoplan = Off
Advanced = On
Plan Type = Through Point
Plan = Slingshot

Now click [FWD] to generate TransX Stage2
Select Target Planets/Moons = (your target planet e.g. Uranus)
Click [VW] to bring up slingshot variables Pl.Change,Outward,etc.

Go back to TransX Stage1 and click [VW] once or twice to get slingshot approach view.

I think that works ;-)


P.S. Welcome to the forum!

Last edited by BrianJ; 05-11-2019 at 04:38 PM.
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  Orbiter-Forum > Orbiter Space Flight Simulator > MFD Questions & Help

escape, slingshot, soi, transx

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